Spectrum sensing in cognitive radios: Design of DFT filter banks achieving maximal time-frequency resolution.
Thomas HunzikerUbaid Ur RehmanDirk DahlhausPublished in: ICICS (2011)
Keyphrases
- filter bank
- frequency domain
- image coding
- cognitive radio
- signal processing
- wavelet packet
- multiresolution
- cognitive radio networks
- spectrum sensing
- subband
- building blocks
- high resolution
- perfect reconstruction
- wavelet transform
- multiscale
- computationally efficient
- computer systems
- fir filters
- finite impulse response
- infinite impulse response